Indeed, in the time of the caliphate this was the channel of the Tigris, and on its banks stood the important city of Wasit.
Son of Ardashir I., formerly important, but now relatively insignificant; Samarra, also called Samira, the capital of the caliphate from A.D.
' Abul Hassan Ali, al Reza, commonly known as Imam Reza, the eighth imam of the Shiites, a son of Musa al Kazim, the seventh imam, was the leader from whom the party of the Alids (Shiites) had such hopes under the caliphate of Mamun.
"he who is guided aright"), a title assumed by the third Abbasid caliph (see Caliphate: Abbasids, § 3).
Its time of greatest prosperity and importance was the period of the Abbasid caliphate, and Arabic geographers as late as A.D.
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